Sing with Kelly the big whale

The video introduces Kelly, a big whale known for her exceptional singing talent. Her friends admire her unique voice, and she is celebrated as the queen of the sea. The video highlights Kelly's ability to breathe through her spout, creating a fountain, which is a remarkable feature. The narrative is interspersed with a catchy song that emphasizes Kelly's role and abilities, making her a beloved figure in the ocean.

What does Kelly breathe through?

What is the overall theme of the text?